[clang] [X86][Clang] allow CRC32 intrinsics to be used in constexp (PR #173908)

[Julian Pokrovsky via cfe-commits]

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@@ -138,3 +138,30 @@ unsigned long long test_mm_crc32_u64(unsigned long long CRC, unsigned long long
   return _mm_crc32_u64(CRC, V);
 }
 #endif
+
+#if defined(__cplusplus) && (__cplusplus >= 201103L)
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raventid wrote:

well spotted! fixed in https://github.com/llvm/llvm-project/pull/173908/changes/a0004ecd1cdbfc2b7d25b0dfc76d67dff1aea897

https://github.com/llvm/llvm-project/pull/173908